Plumbing pipe



FIG. 1 is a perspective view looking at the rear of an embodiment of the plumbing pipe.

FIG. 2 is a top plan view of the embodiment of the plumbing pipe shown in FIG. 1.

FIG. 3 is a left side elevation view of the embodiment of the plumbing pipe shown in FIG. 1.

FIG. 4 is a rear view of the embodiment of the plumbing pipe shown in FIG. 1.

FIG. 5 is a front view of the embodiment of the plumbing pipe shown in FIG. 1.

FIG. 6 is a bottom view of the embodiment of the plumbing pipe shown in FIG. 1; and,

FIG. 7 is a right side elevation view of the embodiment of the plumbing pipe shown in FIG. 1. 

CLAIM The ornamental design for the plumbing pipe, as shown and described. 